CN109581192A - A kind of PCBA powers on rear test device and system - Google Patents
A kind of PCBA powers on rear test device and system Download PDFInfo
- Publication number
- CN109581192A CN109581192A CN201811516607.XA CN201811516607A CN109581192A CN 109581192 A CN109581192 A CN 109581192A CN 201811516607 A CN201811516607 A CN 201811516607A CN 109581192 A CN109581192 A CN 109581192A
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- China
- Prior art keywords
- fixedly connected
- host
- power supply
- host housing
- jig
- Prior art date
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2803—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP] by means of functional tests, e.g. logic-circuit-simulation or algorithms therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
Abstract
The invention discloses a kind of PCBA to power on rear test device and system, including computer, control host and detection jig, the computer is bi-directionally connected with control host, the control host is bi-directionally connected with detection jig, this PCBA powers on rear test device and system, EA1001 system host is adopted a split structure with FCT test fixture, one host can correspond to a variety of jigs, it only needs to call different secondary development scripts when measuring different product, control terminal plate and the cabinet for testing host are discrete, when production, it can be installed again after outside carefully connects the wire, facilitate volume production, test fixture removes product placement unit, belong to outside non-standard component for the mode of connection of different product, remaining is also entirely general part, reduce design difficulty, save design time, facilitate the volume production of test fixture, although It is acquired using 16bitAD, but has carried out detailed design verification on mainboard, analog acquisition plate and loop switch, eliminate the power supply noise and common mode interference in analog acquisition.
Description
Technical field
The present invention relates to electronic circuit detection technique field, specially a kind of PCBA powers on rear test device and system.
Background technique
Functional test (FCT) generally refers exclusively to the test after PCBA is powered on, mainly include voltage, electric current, power, power because
Element, frequency, duty ratio, brightness and color, character recognition, voice recognition, temperature measurement, pressure measurement, motion control, FLASH
Generally there is PC machine to combine control software, and detection control with test items, its primary structures of FCT detection device such as EEPROM burnings
Host and various functional test modules (voltage, electric current etc.), functional test module can be increased and decreased on demand.The prior art is
Through the Function detection that the overwhelming majority may be implemented.
In the market similar product in order to guarantee compatibility (i.e. facilitate increase delete disparate modules, in the feelings for being changed without system
Under condition, the detection of different product is realized), every kind of function can all be fabricated to a set of individual module, it will cause in this way: if PCBA
It needs to measure current parameters all the way, then needs to increase entire a set of current module, cause the increasing of separate unit detection device manufacture difficulty
Add, manufacturing cost is excessively high, for guarantee it is compatible with it is easily transsexual, being integrated on host acquisition module, measuring signal and circuit are cut more
Changing will guide in test fixture from host, and circuit is more, and route is long, have when detecting high precision analog signal and significantly do
Line loss is disturbed and measures, the problem for causing detection accuracy not up to standard, if major part FCT detection device carries out high-precision survey on the market
External multimeter is used when amount, external power supply guarantees detection accuracy and the product not high for required precision, acquires core using AD
Piece is acquired, and acquisition precision is greater than 100PPM, and when being detected using external multimeter, detection time is long, and Measurement channel has
Limit, efficiency is very low, causes production line to have to increase multiple devices and detected, LED color is acquired, similar production in the market
Product mostly use the PCB integrating colour acquisition module of customization shape, and LED light is transmitted on sensor using light-guiding pillar, causes to set
It counts work to increase, test side volume is excessive, volume production is highly detrimental to, for this purpose, it is proposed that a kind of PCBA powers on rear test device
With system.
Summary of the invention
The purpose of the present invention is to provide a kind of PCBA to power on rear test device and system, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme: a kind of PCBA powers on rear test device and system, packet
It includes computer, control host and detection jig, the computer to be bi-directionally connected with control host, the control host is controlled with detection
Tool is bi-directionally connected.
Preferably, the control host is by control system, host housing, rear handle for transporting, fan cooling hole, RJ Ethernet
Interface, DB RS interface, input interface, air switch, aviation plug, rectangle connector, preceding handle for transporting, power supply indicator, electricity
Source monitor window and Machine case lock are constituted, and side is equipped with rear handle for transporting, the rear handle for transporting and master outside the host housing
Machine shell is fixedly connected, and the rear handle for transporting bottom is equipped with fan cooling hole, and fan cooling hole bottom is equipped with RJ ether
Network interface, the RJ Ethernet interface are fixedly connected with host housing, and RJ Ethernet interface bottom is equipped with DB RS interface,
The DB RS interface is fixedly connected with host housing, the DB RS interface side be equipped with aviation plug, the aviation plug with
Host housing is fixedly connected, and the aviation plug bottom is equipped with rectangle connector, and the rectangular connector is fixed with host housing
Connection, rectangle connector side are equipped with input interface, and the input interface is fixedly connected with host housing, and the input connects
Mouth bottom is equipped with air switch, and the air switch is fixedly connected with host housing, and the host housing side is equipped with preceding carrying
Handle, the preceding handle for transporting are fixedly connected with host housing, and the preceding handle for transporting bottom is equipped with power supply indicator, the electricity
Source indicator light is fixedly connected with host housing, and the power supply indicator bottom is equipped with power monitoring window, in the host housing
Portion is equipped with Machine case lock, and there are two the Machine case lock is set, the Machine case lock is fixedly connected with host housing, inside the host housing
Equipped with control system, the control system is fixedly connected with host housing.
Preferably, the control system by mainboard, program power unit, Switching Power Supply, analog acquisition plate, link block, return
Road switch card, power-supply filter, earth leakage circuit-breaker and radiator fan are constituted, and the input interface and earth leakage circuit-breaker are electrical
Connection, the earth leakage circuit-breaker and power-supply filter are electrically connected, and the power-supply filter and the first relay are electrically connected,
First relay is electrically connect with Switching Power Supply, and the Switching Power Supply and program power unit are electrically connected, described program power supply
Be electrically connected with analog acquisition plate, the Switching Power Supply and analog acquisition plate are electrically connected, the analog acquisition plate with
Link block is electrically connected, and the mainboard and link block are electrically connected, and the mainboard and radiator fan are electrically connected.
Preferably, the Switching Power Supply includes first switch and the second switch, the first switch and the first relay electricity
Property connection, the first switch and second switch be electrically connected, the second switch with Switching Power Supply is electrical connect.
Preferably, the link block includes db connector and rectangular connector, and the rectangular connector is adopted with analog quantity
Collect plate to be electrically connected, the rectangular connector and mainboard are electrically connected, and the db connector and mainboard are electrically connected.
Preferably, the detection jig by detection system, jig shell, product mounting table, product gland, compression cylinder,
Harness pinboard, magnetic button, color acquisition card, drawer, push button panel, solenoid valve, counter, buzzer and the second relay structure
At jig cover top portion side is fixed with product mounting table, and product mounting table side is equipped with compression cylinder, the pressure
Tight cylinder is fixedly connected with jig shell, and the compression cylinder side is equipped with product gland, the product gland and jig shell
Rotation connection, jig cover top portion side are fixed with harness pinboard, and harness pinboard side is equipped with solenoid valve, institute
It states solenoid valve to be fixedly connected with jig shell, the harness pinboard other side is equipped with counter, outside the counter and jig
Shell is fixedly connected, and product mounting table side is equipped with buzzer, and the buzzer is fixedly connected with jig shell, the jig
Interior of shell is equipped with drawer, and the drawer is slidably connected with jig shell, and magnetic button is equipped between the drawer and jig shell,
The drawer is fixedly connected with jig shell by magnetic button, the drawer top be equipped with detection system, the detection system with
Drawer is fixedly connected, and the detection system side is equipped with the second relay, and second relay is fixedly connected with drawer, described
Drawer outer surface is equipped with push button panel, and the push button panel is fixedly connected with drawer.
Preferably, the detection system includes that color acquisition card and loop switch card are constituted, and the color acquisition card and is returned
The connection of road switch card.
Preferably, the rear handle for transporting and preceding handle for transporting inner wall are carved with anti-skid chequer.
Compared with prior art, the beneficial effects of the present invention are:
1, EA1001 system host of the present invention and FCT test fixture adopt a split structure, and a host can correspond to a variety of control
Tool only needs to call different secondary development scripts, tests the control terminal plate and cabinet of host when measuring different product
It is discrete, it when production, can be installed again after outside carefully connects the wire, facilitate volume production, test fixture removes product placement unit, for different productions
The mode of connection of product belongs to outside non-standard component, remaining is also entirely general part, reduces design difficulty, saves design time,
The volume production of test fixture is facilitated, although being acquired using 16bitAD, in mainboard, analog acquisition plate and loop switch
On carried out detailed design verification, eliminate power supply noise and common mode interference in analog acquisition, and can connect outside ten thousand
Automatic multiple spot calibration and line loss calculation algorithm are carried out with the gamut that table carries out the channel AD, the precision maximization for acquiring AD makes
With the measurement accuracy of realization 30ppm in gamut scope, because precision is guaranteed, the design is to voltage and current
Measurement can guarantee multiple product synchro measures without matching multimeter, the voltage and current acquisition channel in much 16 channels outside, significantly
Time of measuring is saved.
2, PC machine software of the invention uses the strategy of secondary development, and product user of service can be by learning the volume of this product
After journey handbook, different test programs can be write for different products, bottom test interface is completely open to software, color
Capture card uses collecting fiber LED light optical signal, has abandoned traditional light-guiding pillar detection scheme, makes measurement apart from longer, measurement
Volume is smaller, and it is more convenient to make.
Detailed description of the invention
Fig. 1 is present system connection figure；
Fig. 2 is control system connection figure of the present invention；
Fig. 3 is present invention control host structure chart；
Fig. 4 is present invention control host partial sectional view；
Fig. 5 is present invention control host side view partial sectional view；
Fig. 6 is present invention detection jig structure figure.
In figure: 1- computer；2- control system；3- detection system；4- host housing；Handle for transporting after 5-；6- fan dissipates
Hot hole；7-RJ45 Ethernet interface；8-DB9RS232 interface；9- input interface；10- air switch；11- aviation plug；12- square
Shape connector；Handle for transporting before 13-；14- power supply indicator；15- power monitoring window；16- Machine case lock；17- jig shell；
18- product mounting table；19- product gland；20- compression cylinder；21- harness pinboard；22- magnetic button；23- color acquisition card；
24- drawer；The first relay of 25-；26- push button panel；27- mainboard；28- program power unit；29- Switching Power Supply；30- analog quantity is adopted
Collect plate；31- link block；32- loop switch card；33- first switch；34- second switch；35- power-supply filter；36- electromagnetism
Valve；37- counter；38- buzzer；39- earth leakage circuit-breaker；40- radiator fan；41-DB9 connector；42- controls host；
43- detects jig；44- rectangular connector；The second relay of 45-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-6, the present invention provides a kind of technical solution: a kind of PCBA powers on rear test device and system, including
Computer 1, control host 42 and detection jig 43, the computer 1 are bi-directionally connected with control host 42, the control host 42
It is bi-directionally connected with detection jig 43.
The control host 42 is by control system 2, host housing 4, rear handle for transporting 5, fan cooling hole 6, RJ45 ether
Network interface 7, DB9RS232 interface 8, input interface 9, air switch 10, aviation plug 11, rectangle connector 12, preceding handle for transporting
13, power supply indicator 14, power monitoring window 15 and Machine case lock 16 are constituted, and the 4 outside side of host housing is carried after being equipped with
Handle 5, the rear handle for transporting 5 are fixedly connected with host housing 4, and rear 5 bottom of handle for transporting is equipped with fan cooling hole 6,
6 bottom of fan cooling hole is equipped with RJ45 Ethernet interface 7, the RJ45 Ethernet interface 7 and the fixed company of host housing 4
It connects, 7 bottom of RJ45 Ethernet interface is equipped with DB9RS232 interface 8, and the DB9RS232 interface 8 and host housing 4 are fixed
Connection, 8 side of DB9RS232 interface are equipped with aviation plug 11, and the aviation plug 11 is fixedly connected with host housing 4, institute
11 bottom of aviation plug is stated equipped with rectangle connector 12, the rectangular connector 44 is fixedly connected with host housing 4, the rectangle
12 side of connector is equipped with input interface 9, and the input interface 9 is fixedly connected with host housing 4,9 bottom of input interface
Equipped with air switch 10, the air switch 10 is fixedly connected with host housing 4, and 4 side of host housing is equipped with preceding carrying
Handle 13, the preceding handle for transporting 13 are fixedly connected with host housing 4, and preceding 13 bottom of handle for transporting is equipped with power supply indicator
14, the power supply indicator 14 is fixedly connected with host housing 4, and 14 lamp of power supply instruction is for product test the results show that institute
It states 14 bottom of power supply indicator and is equipped with power monitoring window 15, be equipped with Machine case lock 16, the Machine case lock inside the host housing 4
16 set there are two, the Machine case lock 16 is fixedly connected with host housing 4, inside the host housing 4 be equipped with control system 2, institute
It states control system 2 to be fixedly connected with host housing 4, rear handle for transporting 5: for carrying, fan cooling hole 6: being used for cabinet inside
RJ45 Ethernet interface 7: heat dissipation with PC machine ethernet communication, DB9RS232 interface 8: communicates, input interface with PC machine RS232
9: system power supply, air switch 10: power switch, aviation plug 11: spare plug is extended for built-in function, rectangle connection
Mouth 12: connecting with FCT test fixture, comprising power supply, communicates, detection, control signal, preceding handle for transporting 13: for carrying, power supply
Machine case lock 16: indicator light 14:220V power supply indicator two altogether, prevents layman from dismantling, power monitoring window 15:
The monitoring window of 28 display panel of programmable power supply can observe the working condition of programmable power supply 28 by the window.
The control system 2 is by mainboard 27, program power unit 28, Switching Power Supply 29, analog acquisition plate 30, link block
31, loop switch card 32, power-supply filter 35, earth leakage circuit-breaker 39 and radiator fan 40 are constituted, the input interface 9 and leakage
Electric protective circuit breaker 39 is electrically connected, and the earth leakage circuit-breaker 39 is electrically connected with power-supply filter 35, the power-supply filter
35 and first relay 25 be electrically connected, first relay 25 is electrically connected with Switching Power Supply 29, the Switching Power Supply 29
It is electrically connected with program power unit 28, power supply needed for Switching Power Supply 29 provides host and the work of FCT jig, the power supply of positive negative output
Also the amplifier for analog acquisition plate 30 provides bias voltage, and described program power supply 28 electrically connects with analog acquisition plate 30
It connects, program power unit 28 provides RS232 PORT COM all the way and connect with control mainboard 27, and the control that control mainboard 27 receives PC refers to
After order, program power unit 28 can control to adjust output voltage, export electric current, change power mode is constant current mode or constant pressure
Mode meets FCT testing requirement, and the Switching Power Supply 29 is electrically connected with analog acquisition plate 30, the analog acquisition plate
30 are electrically connected with link block 31, and the mainboard 27 is electrically connected with link block 31, the mainboard 27 and radiator fan 40
It is electrically connected, control mainboard 27:FCT testing and control mainboard 27, undertakes and host communication, external signal detection, external peripheral control
System, analog acquisition and the functions such as the communication of program power unit 28 and the communication of FCT jig, analog acquisition plate 30: will be on FCT jig
Collected analog quantity amplifies, filtering, and control mainboard 27 is transferred to after modulation and carries out data collection and analysis, power filter
Device 35: EMI filtering is carried out to alternating current, prevents industrial frequency noise from influencing the normal operation of system, 27 function of mainboard；One, four Lu Ji electricity
Device output: signal relay output is used as 27 universal switch signal of mainboard, drives the low currents components such as alarm lamp, solenoid valve 36,
Two, 12 road signals output: external high level or low level detection output, can external tongue tube, close to switch, optoelectronic switch
Etc. switching signals output product, three, RS485 communication: be mainly used for carrying out communication interaction, this system with the equipment except host
In for and the communication of color/brightness capture card, four, four road RS232 communication: the first via is used to carry out data interaction with PC machine, separately
All the way for control with program power unit 28, five, MicroSD card slots: storing Large Volume Data for user and use, and user can be with
It is written and read by PC software, six, Ethernet interface: for being communicated with PC machine.Function is the same as first via RS232 communication terminal
Mouthful, seven, RTC: real time clock unit undertakes equipment timer task, verifies product service life, carries out effective hand of property right protection
Section, eight, FLASH/EEPROM: data storage, for storing device control data, checking parameter etc., nine, ten six bitAD acquisition:
Analog-to-digital conversion interface shares eight tunnels, for by, by filtering, the signal of amplification is converted into digital letter on analog acquisition mainboard 27
Number, 30 function of analog acquisition plate；One, 16 road voltage acquisition channels: voltage acquisition channel can acquire zero to two ten four volts
DC voltage, by multiplexer after voltage follower increases output power, guarantee the weak voltage signals of acquisition not by
The influence of multiplexer and second level amplifier, two, ten six road current acquisition channels: can acquire zero to one ampere of electric current, can be in height
Side or the acquisition of low avris, acquire signal after voltage follower amplifies, by multiplexer, three, and multiplexer circuit
And differential amplification: multiplexer provides the input in up to 32 channels, by the analog quantity of 32 paths acquisition through dividing
After the selection of road, difference amplifier is given in output, and by changing multiplexer chip selection signal, 32 tunnel analog signals can be realized on four tunnels
Analog signal is enlarged into the differential voltage acquired for AD, guarantees that AD is adopted by the enlarging function of difference amplifier, differential amplifier circuit
Collection is in gamut scope.
The Switching Power Supply 29 includes first switch 33 and second switch 34, the first switch 33 and the first relay 25
It is electrically connected, the first switch 33 is electrically connected with second switch 34, and the second switch 34 electrically connects with Switching Power Supply 29
It connects, first switch 33: the control of system is provided, driving power output is DC24V, second switch 34: provides analog acquisition plate
30 bias voltage.
The link block 31 includes DB9 connector 41 and rectangular connector 44, the rectangular connector 44 and analog quantity
Collection plate 30 is electrically connected, and the rectangular connector 44 is electrically connected with mainboard 27, and the DB9 connector 41 and mainboard 27 are electrical
Connection.
The detection jig 43 is by detection system 3, jig shell 17, product mounting table 18, product gland 19, compression cylinder
20, harness pinboard 21, magnetic button 22, color acquisition card 23, drawer 24, push button panel 26, solenoid valve 36, counter 37, bee
Ring device 38 and the second relay 45 are constituted, and 17 top side of jig shell is fixed with product mounting table 18, and the product is put
18 side of platform is set equipped with compression cylinder 20, the compression cylinder 20 is fixedly connected with jig shell 17, the compression cylinder 20 1
Side is equipped with product gland 19, and the product gland 19 is rotatablely connected with jig shell 17, and 17 top side of jig shell is solid
Surely there is harness pinboard 21,21 side of harness pinboard is equipped with solenoid valve 36, and the solenoid valve 36 and jig shell 17 are solid
Fixed connection, solenoid valve 36 place the clamping or motor function of product for FCT host, and 21 other side of harness pinboard is set
There is counter 37, the counter 37 is fixedly connected with jig shell 17, and 18 side of product mounting table is equipped with buzzer 38,
The buzzer 38 is fixedly connected with jig shell 17, inside the jig shell 17 be equipped with drawer 24, the drawer 24 with control
Tool shell 17 is slidably connected, and magnetic button 22, the drawer 24 and jig shell are equipped between the drawer 24 and jig shell 17
17 are fixedly connected by magnetic button 22, and detection system 3 is equipped at the top of the drawer 24, and the detection system 3 and drawer 24 are fixed
Connection, 3 side of detection system are equipped with the second relay 45, and second relay 45 is fixedly connected with drawer 24, and second
Relay 45 is modified switching to the circuit of product, guarantees that complicated testing process, every road relay provide binary channels parallel connection,
Test loop impedance is reduced as far as possible, guarantees the repeatable accuracy of test, 24 outer surface of drawer is equipped with push button panel 26, described
Push button panel 26 is fixedly connected with drawer 24, compression cylinder 20: holddown plate when test prevents product from loosening, caused by displacement
Poor contact or the offset of LED light light collection, product gland 19: when gland is put down, contacting with test product, passes through compression cylinder 20
Pushed, guarantee that product will not move, product mounting table 18: product mounting table 18 is according to the imitative of the 3D data creating of product
Shape jig, it is ensured that interference will not be generated when product is placed on above, while playing the role of placing fool proof, harness pinboard
21: undertaking the electrical connection signaling transfer point of test fixture and test product, magnetic button 22:, will not be automatic after guaranteeing drawer push-in
It skids off, color acquisition card 23: being installed in jig cabinet, detection interface is connect with product by optical fiber, undertakes system to LED light
The acquisition of the color of light/brightness data, possesses RS485 communication interface, and the data of acquisition are transferred to FCT test host, second after
Electric appliance 45: being installed in jig cabinet, and designer carries out wiring according to the test request of test product, possesses RS485 communication
Interface tests host by FCT and transmits switching command progress loop switch, push button panel 26 and drawer 24: on push button panel 26
Power switch, emergency stop switch are installed, start testing button, test Error solution lock key and test counter 37, drawer 24
Formula mounting structure, it is ensured that when needing to overhaul, easily extract cabinet out.
The detection system 3 includes that color acquisition card 23 and loop switch card 32 are constituted, and the color acquisition card 23 and is returned
Road switch card 32 connects, and color acquisition card 23 is used for the certain product bright lights and color detection with LED light of client, every piece of color
Capture card 23 includes 16 road acquisition channels, and the LED lamplight on product is transmitted on color acquisition card 23 by optical fiber, is acquired
Afterwards, by RS485 bus feedback to control mainboard 27, mainboard 27 is sent to PC machine after determination.
Handle for transporting 5 is carved with anti-skid chequer with preceding 13 inner wall of handle for transporting after described.
Working principle: being Switching Power Supply by earth leakage circuit-breaker 39 and power-supply filter 35 after system access power supply
29 power supplies, Switching Power Supply 29 provide the driving voltage of control 25 coil of the first relay, pass through rectangle connector 12 and outside FCT
The switch of jig is connected, and after switch connection, the first relay 25 movement, radiator fan 40 runs Simultaneous Switching power supply 29 and will mention
Voltage for+- 12V is that analog acquisition plate 30 is powered, and program power unit 28 is connect by rectangle connector 12 and outside FCT jig
Line terminals row is connected, and provides electric energy for test product, the acquisition interface of analog acquisition plate 30 passes through rectangle connector 12 and FCT
Connecting terminal block connection on jig, the analog quantity of port needed for acquiring, and be filtered, amplify, is supplied to control mainboard 27
It handles, PC machine is transferred to by DB9 connector 41 after the processing AD data of control mainboard 27 and is shown, PC machine passes through DB9 connector 41
Control instruction is transmitted to control mainboard 27, the RS485 interface of control mainboard 27 passes through rectangle connector 12 and the second relay 45
It is connected with color acquisition card 23, executes control and instructed with reading.
Test process sends control instruction to control mainboard 27 by PC machine, and 27 pairs of instructions of control mainboard parse, then
It controls program power unit 28, the second relay 45, color acquisition card 23, solenoid valve 36 and executes test action, and collecting test data,
After the completion of test, control counter 37 counts plus one, test result PASS, completes test action, if test Fail, is controlled
Buzzer 38 processed is alarmed, and producers is prompted to handle error message.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of PCBA powers on rear test device and system, including computer (1), control host (42) and detection jig (43),
It is characterized by: the computer (1) is bi-directionally connected with control host (42), the control host (42) and detection jig (43)
It is bi-directionally connected.
2. a kind of PCBA according to claim 1 powers on rear test device and system, it is characterised in that: the control host
(42) by control system (2), host housing (4), rear handle for transporting (5), fan cooling hole (6), RJ45 Ethernet interface (7),
DB9RS232 interface (8), input interface (9), air switch (10), aviation plug (11), rectangle connector (12), preceding carrying mention
Hand (13), power supply indicator (14), power monitoring window (15) and Machine case lock (16) are constituted, the host housing (4) external one
Side is equipped with rear handle for transporting (5), and the rear handle for transporting (5) is fixedly connected with host housing (4), the rear handle for transporting (5)
Bottom is equipped with fan cooling hole (6), and fan cooling hole (6) bottom is equipped with RJ45 Ethernet interface (7), the RJ45 ether
Network interface (7) is fixedly connected with host housing (4), and RJ45 Ethernet interface (7) bottom is equipped with DB9RS232 interface (8),
The DB9RS232 interface (8) is fixedly connected with host housing (4), and DB9RS232 interface (8) side is equipped with aviation plug
(11), the aviation plug (11) is fixedly connected with host housing (4), and aviation plug (11) bottom is equipped with rectangle connector
(12), the rectangular connector (44) is fixedly connected with host housing (4), and rectangle connector (12) side is equipped with input and connects
Mouth (9), the input interface (9) are fixedly connected with host housing (4), and input interface (9) bottom is equipped with air switch
(10), the air switch (10) is fixedly connected with host housing (4), and host housing (4) side is equipped with preceding handle for transporting
(13), the preceding handle for transporting (13) is fixedly connected with host housing (4), and preceding handle for transporting (13) bottom refers to equipped with power supply
Show lamp (14), the power supply indicator (14) is fixedly connected with host housing (4), and power supply indicator (14) bottom is equipped with electricity
Source monitor window (15) is equipped with Machine case lock (16) inside the host housing (4), described there are two the Machine case lock (16) sets
Machine case lock (16) is fixedly connected with host housing (4), is equipped with control system (2) inside the host housing (4), the control system
System (2) is fixedly connected with host housing (4).
3. a kind of PCBA according to claim 1 powers on rear test device and system, it is characterised in that: the control system
(2) it is cut by mainboard (27), program power unit (28), Switching Power Supply (29), analog acquisition plate (30), link block (31), circuit
Change card (32), power-supply filter (35), earth leakage circuit-breaker (39) and radiator fan (40) are constituted, the input interface (9) with
Earth leakage circuit-breaker (39) is electrically connected, and the earth leakage circuit-breaker (39) and power-supply filter (35) are electrically connected, the electricity
Source filter (35) and the first relay (25) are electrically connected, and first relay (25) electrically connects with Switching Power Supply (29)
It connects, the Switching Power Supply (29) and program power unit (28) are electrically connected, described program power supply (28) and analog acquisition plate (30)
It is electrically connected, the Switching Power Supply (29) and analog acquisition plate (30) are electrically connected, the analog acquisition plate (30) and even
Connection module (31) is electrically connected, and the mainboard (27) and link block (31) are electrically connected, the mainboard (27) and radiator fan
(40) it is electrically connected.
4. a kind of PCBA according to claim 3 powers on rear test device and system, it is characterised in that: the Switching Power Supply
It (29) include first switch (33) and second switch (34), the first switch (33) and the first relay (25) are electrically connected,
The first switch (33) and second switch (34) are electrically connected, and the second switch (34) electrically connects with Switching Power Supply (29)
It connects.
5. a kind of PCBA according to claim 3 powers on rear test device and system, it is characterised in that: the link block
It (31) include DB9 connector (41) and rectangular connector (44), the rectangular connector (44) and analog acquisition plate (30) are electric
Property connection, the rectangular connector (44) and mainboard (27) are electrically connected, the DB9 connector (41) and mainboard (27) is electrical connects
It connects.
6. a kind of PCBA according to claim 1 powers on rear test device and system, it is characterised in that: the detection jig
(43) by detection system (3), jig shell (17), product mounting table (18), product gland (19), compression cylinder (20), harness
Pinboard (21), magnetic button (22), color acquisition card (23), drawer (24), push button panel (26), solenoid valve (36), counter
(37), buzzer (38) and the second relay (45) are constituted, and jig shell (17) top side is fixed with product mounting table
(18), product mounting table (18) side is equipped with compression cylinder (20), and the compression cylinder (20) and jig shell (17) are solid
Fixed connection, compression cylinder (20) side are equipped with product gland (19), and the product gland (19) and jig shell (17) turn
Dynamic connection, jig shell (17) top side are fixed with harness pinboard (21), and harness pinboard (21) side is set
Have solenoid valve (36), the solenoid valve (36) is fixedly connected with jig shell (17), and harness pinboard (21) other side is set
Have counter (37), the counter (37) is fixedly connected with jig shell (17), and product mounting table (18) side is equipped with
Buzzer (38), the buzzer (38) are fixedly connected with jig shell (17), and drawer is equipped with inside the jig shell (17)
(24), the drawer (24) is slidably connected with jig shell (17), and magnetic is equipped between the drawer (24) and jig shell (17)
Power button (22), the drawer (24) are fixedly connected by magnetic button (22) with jig shell (17), are set at the top of the drawer (24)
Have detection system (3), the detection system (3) is fixedly connected with drawer (24), detection system (3) side be equipped with second after
Electric appliance (45), second relay (45) are fixedly connected with drawer (24), and drawer (24) outer surface is equipped with push button panel
(26), the push button panel (26) is fixedly connected with drawer (24).
7. a kind of PCBA according to claim 6 powers on rear test device and system, it is characterised in that: the detection system
It (3) include that color acquisition card (23) and loop switch card (32) are constituted, the color acquisition card (23) and loop switch card (32)
Connection.
8. a kind of PCBA according to claim 2 powers on rear test device and system, it is characterised in that: carry and mention after described
Hand (5) and preceding handle for transporting (13) inner wall are carved with anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811516607.XA CN109581192A (en) | 2018-12-12 | 2018-12-12 | A kind of PCBA powers on rear test device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811516607.XA CN109581192A (en) | 2018-12-12 | 2018-12-12 | A kind of PCBA powers on rear test device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109581192A true CN109581192A (en) | 2019-04-05 |
Family
ID=65928211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811516607.XA Pending CN109581192A (en) | 2018-12-12 | 2018-12-12 | A kind of PCBA powers on rear test device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109581192A (en) |
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| CN112444722A (en) * | 2019-08-30 | 2021-03-05 | 宁德时代新能源科技股份有限公司 | Detection circuit and detection method of electric control device |
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| CN115684875A (en) * | 2022-10-14 | 2023-02-03 | 北京上庄燃气热电有限公司 | High-efficiency calibration platform and calibration method based on low-voltage protection measurement and control device |
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Application publication date: 20190405 |